Finding the Fourth Proportional to 752,490.34, 1,038,141.05 and 430,027.44
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Solution
The fourth proportional to 752,490.34, 1,038,141.05 and 430,027.44 is: 593,268.92
Step by Step Solution
- Step 1: Write the proportion equation
752,490.34 : 1,038,141.05 = 430,027.44 : x - Step 2: Convert to fraction form
752,490.34/1,038,141.05 = 430,027.44/x - Step 3: Cross multiply
752,490.34x = 1,038,141.05 × 430,027.44 - Step 4: Simplify right side
752,490.34x = 446,429,132,047.25 - Step 5: Solve for x
x = 446,429,132,047.25/752,490.34 - Step 6: Final answer
x = 593,268.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.